diff --git a/src/main/java/com/flowingcode/vaadin/addons/localecombobox/LocaleComboBox.java b/src/main/java/com/flowingcode/vaadin/addons/localecombobox/LocaleComboBox.java
index 645cc02..4b8e2f2 100644
--- a/src/main/java/com/flowingcode/vaadin/addons/localecombobox/LocaleComboBox.java
+++ b/src/main/java/com/flowingcode/vaadin/addons/localecombobox/LocaleComboBox.java
@@ -211,7 +211,7 @@ private void setPrefixFlag(Locale locale) {
     }
 
     Span flagIcon = new Span();
-    flagIcon.addClassNames("fi", "fi-" + locale.getCountry().toLowerCase());
+    flagIcon.addClassNames("fi", "fi-" + this.getFlagCode(locale));
     setPrefixComponent(flagIcon);
   }